// $Id: message.c 72 2011-04-24 05:05:11Z cedric.shih@gmail.com $
/*
 * Copyright (C) 2011 Cedric Shih <cedric.shih@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#include <errno.h>
#include <stdlib.h>
#include <string.h>

#include "log.h"

#include "message.h"

struct niohttpd_stream_message *niohttpd_stream_messages_add(
		struct niohttpd_stream_messages *messages)
{
	int rc;
	struct niohttpd_stream_message *message;

	if (!(message = calloc(1, sizeof(*message)))) {
		niohttpd_error("failed to calloc");
		rc = ENOMEM;
		goto finally;
	}

	TAILQ_INSERT_TAIL(messages, message, next);
	rc = 0;

finally:
	errno = rc;
	return message;
}

void niohttpd_stream_messages_remove(
		struct niohttpd_stream_messages *messages,
		struct niohttpd_stream_message *message)
{
	TAILQ_REMOVE(messages, message, next);

	free(message);
}

void niohttpd_stream_messages_clear(
		struct niohttpd_stream_messages *messages)
{
	struct niohttpd_stream_message *message;

	while ((message = TAILQ_FIRST(messages))) {
		niohttpd_stream_messages_remove(messages, message);
	}
}
